if(DEFINED ENV{DEVKITPRO})
	set(DEVKITPRO $ENV{DEVKITPRO})
else()
	message(FATAL_ERROR "Could not find DEVKITPRO in environment")
endif()

if(DEFINED ENV{DEVKITARM})
	set(DEVKITARM $ENV{DEVKITARM})
else()
	set(DEVKITARM ${DEVKITPRO}/devkitARM)
endif()

set(toolchain_bin_dir ${DEVKITARM}/bin)
set(cross_prefix ${toolchain_bin_dir}/arm-none-eabi-)
set(inc_flags -I${DEVKITPRO}/libctru/include)
set(arch_flags "-march=armv6k -mtune=mpcore -mfpu=vfp -mfloat-abi=hard")
set(link_flags "-L${DEVKITPRO}/libctru/lib -lctru -lm -specs=3dsx.specs ${arch_flags}")

set(CMAKE_SYSTEM_NAME Generic CACHE INTERNAL "system name")
set(CMAKE_SYSTEM_PROCESSOR arm CACHE INTERNAL "processor")
set(CMAKE_LIBRARY_ARCHITECTURE arm-none-eabi CACHE INTERNAL "abi")
set(CMAKE_AR ${cross_prefix}gcc-ar CACHE INTERNAL "archiver")
set(CMAKE_RANLIB ${cross_prefix}gcc-ranlib CACHE INTERNAL "ranlib")
set(CMAKE_C_COMPILER ${cross_prefix}gcc CACHE INTERNAL "c compiler")
set(CMAKE_CXX_COMPILER ${cross_prefix}g++ CACHE INTERNAL "cxx compiler")
set(CMAKE_ASM_COMPILER ${cross_prefix}gcc CACHE INTERNAL "assembler")
set(common_flags "${arch_flags} -mword-relocations ${inc_flags}")
set(CMAKE_C_FLAGS ${common_flags} CACHE INTERNAL "c compiler flags")
set(CMAKE_C_FLAGS_RELEASE -Ofast CACHE INTERNAL "c compiler flags (release)")
set(CMAKE_ASM_FLAGS ${common_flags} CACHE INTERNAL "c compiler flags")
set(CMAKE_CXX_FLAGS ${common_flags} CACHE INTERNAL "cxx compiler flags")
set(CMAKE_LINKER ${cross_prefix}ld CACHE INTERNAL "linker")

set(CMAKE_EXE_LINKER_FLAGS ${link_flags} CACHE INTERNAL "exe link flags")
set(CMAKE_MODULE_LINKER_FLAGS ${link_flags} CACHE INTERNAL "module link flags")
set(CMAKE_SHARED_LINKER_FLAGS ${link_flags} CACHE INTERNAL "shared link flags")

set(3DSLINK ${toolchain_bin_dir}/3dslink)
set(3DSXTOOL ${toolchain_bin_dir}/3dsxtool)
set(BANNERTOOL ${toolchain_bin_dir}/bannertool)
set(MAKEROM ${toolchain_bin_dir}/makerom)
set(RAW2C ${toolchain_bin_dir}/raw2c)
set(SMDHTOOL ${toolchain_bin_dir}/smdhtool)
set(STRIP ${cross_prefix}strip)

set(3DS ON)
add_definitions(-D_3DS -DARM11)
